package com.sky.controller.admin;



import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;

import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;

    //操作redis，引入对象
    @Autowired
    private RedisTemplate redisTemplate;

    @PostMapping()
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO) {
        log.info("新增菜品：{}", dishDTO);
        dishService.saveWithFlavor(dishDTO);
        //清楚缓存数据(不是全部清理
        String key="dish_"+dishDTO.getCategoryId();
        cleanCache(key);
        return Result.success();
    }


    @GetMapping("/page")
    @ApiOperation(("菜品分页查询"))
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){

        log.info("菜品分页查询:{}",dishPageQueryDTO);
      PageResult pageResult= dishService.pageQuery(dishPageQueryDTO);

        return Result.success(pageResult);
    }


    /**
     * 菜品批量删除
     * @param ids
     * @return
     */
    @DeleteMapping()
    @ApiOperation("批量删除菜品")
    public Result delete(@RequestParam List<Long> ids){
            //@RequestParam 可以让MVC自己把ids=1,2,3 装入集合里。如果不的话，用字符串接收，自己按逗号分割
        log.info("批量删除菜品：{}",ids);
        dishService.deleteBatch(ids);
        //批量删除的菜品可能有许多种类，直接把全部缓存删除了
        cleanCache("dish_*");

        return Result.success();
    }


    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id){

        log.info("查询菜品：{}",id);

        DishVO dishVO= dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    @PutMapping
    @ApiOperation("修改菜品数据，包含口味")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品:{}",dishDTO);
        dishService.updateWithFlavor(dishDTO);
        //修改缓存数据比较复杂，可能修改菜品的分类，影响多个缓存数据，直接全删了
       cleanCache("dish_*");
        return Result.success();
    }


    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<DishVO>> getByCategoryId(Long categoryId){
        log.info("根据分类id查询菜品:{}",categoryId);
        List<DishVO> dishVOs= dishService.getByCategoryId(categoryId);
        return Result.success(dishVOs);
    }










    @PostMapping("/status/{status}")
    @ApiOperation("修改停起售状态")

    public Result setStatus(@RequestParam(value = "id") Long id,@PathVariable Integer status){
        log.info("修改菜品：{},status为：{}",id,status);
        dishService.setDishStatus(id,status);

        cleanCache("dish_*");
        return Result.success();
    }

    private void cleanCache(String patten){
        Set keys=redisTemplate.keys(patten);
        redisTemplate.delete(keys);
    }
}
